Solar Panel Durability

April 20, 2020

2 min read

Manufactured To Last – Warrantied To Prove It!

Spring weather can always be a bit unpredictable, now more than ever as our planet warms. Warmer air moves into cooler air creating shifts in low-pressure and high-pressure air fronts all of which can cause storms, tornadoes, hail, and more. This may have you wondering, just how well do solar panels hold up to the elements? If you have solar panels now or are thinking about adding solar panels in the future, it’s good to understand their durability.

Panels are designed to be in the elements for a long time, so they are manufactured with high durability guidelines. In fact, “NREL (the National Renewable Energy Laboratory) researchers …work[ed] closely with the U.S. Department of Energy’s SunShot Initiative to improve the durability of solar modules. So much so, that when a massive hail storm hit the NREL facility in 2017 only one panel out of 3000 sustained damage. According to this NREL article “In the case of this hailstorm, the one glass module cover that cracked was apparently simultaneously hit by a number of hailstones in almost the exact same place. This concentrated blow created a network of micro-cracks in the glass”.

This durability is backed up with manufacturer warranties on both materials and output. All of the panels that SES carries come with output warranties between 80-87% of original power output at 25 year, as well as 10-25 year warranties on material.

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